Add collate for order by

[tanner-lai]

Adds support for collations on ordered expressions, e.g. as per https://learn.microsoft.com/en-us/sql/t-sql/statements/collations?view=sql-server-ver16#examples

goqu.From("Locations").Select(goqu.I("Place")).Order(goqu.I("Place").Collate("Latin1_General_CS_AS_KS_WS").Asc()

SELECT Place FROM Locations
ORDER BY Place
COLLATE Latin1_General_CS_AS_KS_WS ASC;

Added tests, documentation, and examples